104439009 has 8 divisors (see below), whose sum is σ = 139345600. Its totient is φ = 69579216.

The previous prime is 104439001. The next prime is 104439011. The reversal of 104439009 is 900934401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104439009 - 2³ = 104439001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104439001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109 + ... + 15690.

It is an arithmetic number, because the mean of its divisors is an integer number (17418200).

Almost surely, 2^104439009 is an apocalyptic number.

It is an amenable number.

104439009 is a deficient number, since it is larger than the sum of its proper divisors (34906591).

104439009 is a wasteful number, since it uses less digits than its factorization.

104439009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23399.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 104439009 is about 10219.5405474023. The cubic root of 104439009 is about 470.9277119148.

The spelling of 104439009 in words is "one hundred four million, four hundred thirty-nine thousand, nine".